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The Representation of Simple Ensemble Visual Features Outside the Focus of Attention
Open accessAbstract
The representation of visual information inside the focus of attention is more precise than the representation of information outside the focus of attention. We found that the visual system can compensate for the cost of withdrawing attention by pooling noisy local features and computing summary statistics. The location of an individual object is a local feature, whereas the center of mass of several objects (centroid) is a summary feature representing the mean object location. Three experiments showed that withdrawing attention degraded the representation of individual positions more than the representation of the centroid. It appears that information outside the focus of attention can be represented at an abstract level that lacks local detail, but nevertheless carries a precise statistical summary of the scene. The term ensemble features refers to a broad class of statistical summary features that we propose collectively make up the representation of information outside the focus of attention.
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Cites
Forest before trees: The precedence of global features in visual perception
Navon, D. (1977) · Cognitive Psychology · doi:10.1016/0010-0285(77)90012-3 · Cited by 4,005
Cited by
The role of context in object recognition
Oliva, A., & Torralba, A. (2007) · Trends in Cognitive Sciences · doi:10.1016/j.tics.2007.09.009 · Cited by 1,063
Self-citationRepresenting multiple objects as an ensemble enhances visual cognition
Alvarez, G. A. (2011) · Trends in Cognitive Sciences · doi:10.1016/j.tics.2011.01.003 · Cited by 586
Self-citationConsciousness cannot be separated from function
Cohen, M. A., & Dennett, D. C. (2011) · Trends in Cognitive Sciences · doi:10.1016/j.tics.2011.06.008 · Cited by 542
GREENE, M., & OLIVA, A. (2009) · Cognitive Psychology · doi:10.1016/j.cogpsych.2008.06.001 · Cited by 467
Self-citationThe Border Between Seeing and Thinking
Block, N. (2023) · doi:10.1093/oso/9780197622223.001.0001 · Cited by 367
Metadata
- Authors
- Alvarez, G. A., & Oliva, A.
- Venue
- Psychological Science
- Publisher
- SAGE Publications
- Published
- 2008-04
- Volume
- 19
- Issue
- 4
- Pages
- 392-398
- ISSN
- 0956-7976 (ISSN-L)
- 1467-9280
- OpenAlex
- W2162665012
- Cited by
- 381
- References
- 1
- FWCI
- 8.12
- Type
- journal article
- Language
- en
- Open access
- green
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